alertness

英[ə'lɜːtnəs] 美[ə'lɜːtnəs]
  • n. 警戒；机敏
使用频率:

详细释义

Noun:
  1. the process of paying close and continuous attention;

    "wakefulness, watchfulness, and bellicosity make a good hunter"
    "vigilance is especially susceptible to fatigue"

  2. a state of readiness to respond;

    "alerting was indicated by the desynchronization of the EEG"

  3. lively attentiveness

双语例句

1. The drug improved mental alertness.
该药有助于提神。

来自柯林斯例句

2. Alertness, calmness, courage : he could see them all in the youngster's face.
机警, 镇定, 胆量,都摆出在这年青人的脸上.

来自子夜部分

3. We must maintain a military standard, an alertness, and never vary it.
我们必须保持军队的准则, 应当随时注意,切勿随时变动.

来自辞典例句

4. The order urged the armed forces to enhance their alertness.
该项命令敦促武装部队提高警惕.

来自辞典例句

5. Ginseng was reported to have increased energy and mental alertness.
人参可以增进体力和提高精神敏捷性.

来自辞典例句

    用作名词 (n.)
    1. The other half of the brain stays awake at a low level of alertness.
      另一半大脑在低水平警戒状态下保持清醒。
    2. They also increase alertness and energy.
      它们也能提高机敏性和精力。
    3. Without Alertness I'll be stupid.
      没有机敏那是愚蠢。

用法讲解

相关词汇

【邻近词汇】

alert alert performance alert-only pager Alert sb to do sth alerts correlation alert pickup truck Alert for Aircraft alerts aggregation Alert Launch Order alerting nystagmus alert verification
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